The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1982
Filed:
Jun. 27, 1980
Isao Hashimoto, Iwakuni, JP;
Hirohiko Nambu, Iwakuni, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Abstract
A compound of the formula (I) ##STR1## wherein R.sup.1 and R.sup.5 each represents an alkyl group having 1 to 3 carbon atoms; R.sup.2, R.sup.3 and R.sup.4 each represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and wherein the bonding at the 2-3 position is a single bond and that at the 3-4 position is a double when the substitution of hydroxy group is at the 5-position or the bonding at the 2-3 position is a double bond and that at the 3-4 position is a single bond when the substitution of hydroxy group is at the 7-position; with the proviso that R.sup.2 and R.sup.4 should not be a hydrogen atom or an alkyl group simultaneously and process for preparing same are disclosed. The compound is useful as a herbicide and fungicide and as an intermediate for preparing agricultural chemicals, etc.